How many states are there? Did Mandela die while in jail? This and other mistakes has lead some people to believe that they are shifting through realities or are in some sort of matrix like world. Termed the Mandela effect, it is a belief that you have a remembered (or experienced) and alternative history. Naturally this could all be explained by poor memory and conformational bias but I guess believing that you are some sort of dimension hopping radical is cooler.